in indianapolis, indiana a masked gunman opened fire on a barbecue party, killing two people and wounding six. police say the man fled the scene by car. tuesday's shootings are the latest in a series of gun attacks in the u.s. in february a professor shot dead three colleagues at the university of alabama. in june a man killed four people at a restaurant in florida. >>> lebanese and israeli troops exchanged deadly fire on their countries' border on tuesday, killing five people including soldiers on both sides. the violence apparently erupted over a move by israeli soldiers to cut down a tree along the fence dividing the two countries. israel and lebanon have blamed each other for the eruption. the israeli military said they were working to maintain the fence along the border which they did not cross. the military said the lebanese army is responsible for the incident. lebanese president michel suleiman held israel accountable and said it would complain to the u.n. security council. in the skirmish three soldiers and one reporter were killed on the lebanese side while one army officer was